firmware/src/hw/potentiometer.cpp

@@ -0,0 +1,38 @@
+/**** Includes ****/
+#include "../utils/utils.h"
+#include "../utils/interpolate.h"
+#include "potentiometer.h"
+
+using namespace hw;
+
+/**** Private definitions ****/
+/**** Private constants ****/
+/**** Private variables ****/
+/**** Private function declarations ****/
+
+/**** Public function definitions ****/
+hw::Potentiometer::Potentiometer(board::AnalogIn* ain_ch, uint16_t low_deadzone, uint16_t high_deadzone)
+{
+	this->ain_ch = ain_ch;
+	this->low_deadzone = low_deadzone;
+	this->high_deadzone = high_deadzone;
+	this->percent = 0;
+}
+
+hw::Potentiometer::~Potentiometer(void)
+{
+	return;
+}
+
+uint8_t hw::Potentiometer::read(void)
+{
+	// Update input
+	this->ain_ch->read();
+	
+	// Calculate percent
+	this->percent = util::interpolate(this->ain_ch->last_read, this->low_deadzone, this->high_deadzone, 0, 100);
+	
+	return this->percent;
+}
+
+/**** Private function definitions ****/

firmware/src/hw/potentiometer.h

@@ -0,0 +1,35 @@
+#ifndef POTENTIOMETER_H_
+#define POTENTIOMETER_H_
+
+/**** Includes ****/
+#include <stdint.h>
+#include "../board/ain.h"
+
+namespace hw {
+
+/**** Public definitions ****/
+
+class Potentiometer
+{
+	protected:
+	board::AnalogIn* ain_ch;
+	
+	public:
+	Potentiometer(board::AnalogIn* ain_ch, uint16_t low_deadzone, uint16_t high_deadzone);
+	~Potentiometer(void);
+	
+	uint16_t low_deadzone;
+	uint16_t high_deadzone;
+	uint8_t percent;
+	
+	uint8_t read(void);
+};
+
+/**** Public function declarations ****/
+
+#ifdef TESTING
+#endif
+
+} //namespace
+
+#endif /* POTENTIOMETER_H_ */